Half of US adults have high blood pressure in new guidelines

Half of US adults have high blood pressure in new guidelines

In this June 6, 2013, file photo, a patient has her blood pressure checked by a registered nurse in Plainfield, Vt. New medical guidelines announced Monday, Nov. 13, 2017, lower the threshold for high blood pressure, adding 30 million Americans to those who have the condition. (AP Photo/Toby Talbot)

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